<template>
  <div>
    <Button size="large" type="text" @click="backHome">返回首页</Button>
    <Button size="large" type="text" @click="backPrev">返回上一页({{ second }}s)</Button>
  </div>
</template>

<script>
import './error.less'
export default {
  'name': 'backBtnGroup',
  data() {
    return {
      'second': 5,
      'timer': null
    }
  },
  'methods': {
    backHome() {
      this.$router.replace({
        'name': this.$config.homeName
      })
    },
    backPrev() {
      this.$router.go(-1)
    }
  },
  mounted() {
    this.timer = setInterval(() => {
      if (this.second === 0) {
        this.backPrev()
      } else {
        this.second--
      }
    }, 1000)
  },
  beforeDestroy() {
    clearInterval(this.timer)
  }
}
</script>
